Ubuntu
查看 CPU
架构、系统信息、内核版本、版本代号等相关信息有很多方式,本文介绍几种常用的命令。
x86
架构与 ARM
架构的 CPU
架构不同,如果回显为 aarch64
表示为 ARM
架构,如果回显为 x86_64
表示为 x86
架构,参考《CPU 架构(x86/ARM)简介》这篇文章。
uname
root@k8s-master:~# uname
Linux
root@k8s-master:~# uname -a
Linux k8s-master 5.15.0-1027-raspi #29-Ubuntu SMP PREEMPT Mon Apr 3 10:12:21 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux
root@k8s-master:~# uname -r
5.15.0-1027-raspi
root@k8s-master:~# uname -m
aarch64
arch
root@k8s-master:~# arch
aarch64
Ubuntu
基础版本号由日期组成,比如 Ubuntu 22.04
表示 2022 年 4 月份发布的版本,在选择 Ubuntu
版本的时候,最好选择 LTS(Long Term Support)
版本,而且每个 Ubuntu
版本都有一个代号,这个代号会在安装软件时用到。
文章来源:https://www.toymoban.com/news/detail-484917.html
Ubuntu LTS
各版本代号如下:文章来源地址https://www.toymoban.com/news/detail-484917.html
- Ubuntu 12.04 (LTS)代号为 precise
- Ubuntu 14.04 (LTS)代号为 trusty
- Ubuntu 16.04 (LTS)代号为 xenial
- Ubuntu 18.04 (LTS)代号为 bionic
- Ubuntu 20.04 (LTS)代号为 focal
- Ubuntu 22.04 (LTS)代号为 jammy
lsb_release
root@k8s-master:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.2 LTS
Release: 22.04
Codename: jammy
root@k8s-master:~# lsb_release -c
Codename: jammy
lscpu
root@k8s-master:~# lscpu
Architecture: aarch64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Vendor ID: ARM
Model name: Cortex-A72
Model: 3
Thread(s) per core: 1
Core(s) per cluster: 4
Socket(s): -
Cluster(s): 1
Stepping: r0p3
CPU max MHz: 1800.0000
CPU min MHz: 600.0000
BogoMIPS: 108.00
Flags: fp asimd evtstrm crc32 cpuid
Caches (sum of all):
L1d: 128 KiB (4 instances)
L1i: 192 KiB (4 instances)
L2: 1 MiB (1 instance)
Vulnerabilities:
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Not affected
Spec store bypass: Vulnerable
Spectre v1: Mitigation; __user pointer sanitization
Spectre v2: Vulnerable
Srbds: Not affected
Tsx async abort: Not affected
/proc/version
root@k8s-master:~# cat /proc/version
Linux version 5.15.0-1027-raspi (buildd@bos02-arm64-011) (gcc (Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #29-Ubuntu SMP PREEMPT Mon Apr 3 10:12:21 UTC 2023
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